Battle of Novara
1821 CE.
Shown on the map at 45.431°, 8.716°.
The Battle of Novara took place between Piedmontese liberal rebels and the royalist Sardinians with support from the Austrian Empire. The battle ended in a victory for the Sardinians, and the rebellion soon ended.
Text from the Wikipedia article Battle of Novara (1821), licensed CC BY-SA 4.0.